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2000 GMC Denali - Q&A

 
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2000 GMC Denali Q & A from Around the Web

We have found 67 user submitted questions on the web and presented the best ones for you to read. This list is in ranked order, showing 1 - 4
I own a shop, and "DO NOT" disconnect the battery cable. Leave it alone, or you will loose your presets, and may even have trouble with the anti-theft system. The correct way is to have a scan tool, and hook it to the ADL connector. You can go to Auto Zone, and have them pull any codes you may...

I have a 2000 Yukon Denali and am getting a code P0141 O2 Sensor "Heater Circuit Malfunction Bank 1 Sensor 2.
Can anyone explain if this just means this O2 sensor is probably bad and needs to be changed. And if so, where exactly is this sensor located. Also, I know there are (4) O2 sensors in all...are they all physically the same sensor but just in different locations?
Source: Yahoo! Answers, 2 answers

its on the drivers side after the cat. yeah its probably bad

I own a shop, and do extensive computer related diagnostics & repairs. This code doesn't mean the sensor is bad, but it does mean something is wrong on that circuit. Going with the odds, it's about a 80% probability the sensor is bad. What the code does mean is; There is an out of range, or no...

You need to replace the multi function switch. It'll fix your problem. They have a common high failure rate.


 
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